97 lines
2.2 KiB
JavaScript
97 lines
2.2 KiB
JavaScript
import path from 'path';
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import requestIp from 'request-ip';
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import { browserName, detectOS } from 'detect-browser';
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import isLocalhost from 'is-localhost-ip';
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import maxmind from 'maxmind';
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import {
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DESKTOP_OS,
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MOBILE_OS,
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DESKTOP_SCREEN_WIDTH,
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LAPTOP_SCREEN_WIDTH,
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MOBILE_SCREEN_WIDTH,
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} from './constants';
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let lookup;
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export function getIpAddress(req) {
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// Custom header
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if (req.headers[process.env.CLIENT_IP_HEADER]) {
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return req.headers[process.env.CLIENT_IP_HEADER];
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}
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// Cloudflare
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else if (req.headers['cf-connecting-ip']) {
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return req.headers['cf-connecting-ip'];
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}
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return requestIp.getClientIp(req);
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}
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export function getDevice(screen, browser, os) {
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if (!screen) return;
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const [width] = screen.split('x');
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if (DESKTOP_OS.includes(os)) {
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if (os === 'Chrome OS' || width < DESKTOP_SCREEN_WIDTH) {
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return 'laptop';
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}
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return 'desktop';
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} else if (MOBILE_OS.includes(os)) {
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if (os === 'Amazon OS' || width > MOBILE_SCREEN_WIDTH) {
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return 'tablet';
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}
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return 'mobile';
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}
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if (width >= DESKTOP_SCREEN_WIDTH) {
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return 'desktop';
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} else if (width >= LAPTOP_SCREEN_WIDTH) {
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return 'laptop';
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} else if (width >= MOBILE_SCREEN_WIDTH) {
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return 'tablet';
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} else {
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return 'mobile';
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}
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}
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export async function getCountry(req, ip) {
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// Cloudflare
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if (req.headers['cf-ipcountry']) {
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return req.headers['cf-ipcountry'];
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}
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// Ignore local ips
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if (await isLocalhost(ip)) {
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return;
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}
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// Database lookup
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if (!lookup) {
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lookup = await maxmind.open(path.resolve('./public/geo/GeoLite2-Country.mmdb'));
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}
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const result = lookup.get(ip);
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return result?.country?.iso_code;
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}
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export async function getClientInfo(req, { screen }) {
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const userAgent = req.headers['user-agent'];
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const ip = getIpAddress(req);
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const country = await getCountry(req, ip);
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const browser = browserName(userAgent);
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const os = detectOS(userAgent);
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const device = getDevice(screen, browser, os);
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return { userAgent, browser, os, ip, country, device };
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}
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export function getJsonBody(req) {
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if ((req.headers['content-type'] || '').indexOf('text/plain') !== -1) {
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return JSON.parse(req.body);
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}
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return req.body;
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}
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